: There is no official "patch" from a translation group because the community focus shifted to unlocking this internal code.
If you want to experience Earth Defense Force 2 in full English without messing with homebrew patches or emulators, you have official options on modern hardware: earth defense force 2 psp english patch link
The resulting file can be played on a PSP with custom firmware or the PPSSPP emulator . : There is no official "patch" from a